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Home › Cadillac › 2012 › Escalade EXT › Repair and Diagnosis › External Pages › Different car › Section 1472 (Engine Controls And Fuel - 3.5L - Introduction) › Repair Instructions › Fuel Injection Fuel Rail Assembly Replacement › Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Injector Wiring Harness
    GM1797922Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the fuel injector wiring harness electrical connectors from the fuel injectors.
  2. Remove the fuel injector wiring harness retainers from the fuel rail.
  3. Remove the fuel injector wiring harness.
    4. Fig 2: Identifying Fuel Injector Components
    GM1797926Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel injector retainers (1).
  5. Remove the fuel injectors (3).
  6. Remove the fuel injector upper (2) and lower (4) O-ring seals.
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